| Message ID | 20160817201104.GA21304@intel.com |
|---|---|
| State | New |
| Headers | show |
On Wed, Aug 17, 2016 at 10:11 PM, H.J. Lu <hongjiu.lu@intel.com> wrote: > builtin_memset_gen_str returns a register used for memset, which only > supports integer registers. But a target may use vector registers in > memmset. This patch adds a TARGET_GEN_MEMSET_VALUE hook to duplicate > QImode value to mode derived from STORE_MAX_PIECES, which can be used > with vector instructions. The default hook is the same as the original > builtin_memset_gen_str. A target can override it to support vector > instructions for STORE_MAX_PIECES. > > Tested on x86-64 and i686. Any comments? It looks to me you have attached an older version of the patch, STORE_MAX_PIECES change in i386.h is already in the mainline. (The patch needs middle-end review first). Uros. > H.J. > --- > gcc/ > > * builtins.c (builtin_memset_gen_str): Call targetm.gen_memset_value. > (default_gen_memset_value): New function. > * target.def (gen_memset_value): New hook. > * targhooks.c: Inclue "expmed.h" and "builtins.h". > (default_gen_memset_value): New function. > * targhooks.h (default_gen_memset_value): New prototype. > * config/i386/i386.c (ix86_gen_memset_value): New function. > (TARGET_GEN_MEMSET_VALUE): New. > * config/i386/i386.h (STORE_MAX_PIECES): Likewise. > * doc/tm.texi.in: Add TARGET_GEN_MEMSET_VALUE hook. > * doc/tm.texi: Updated. > > gcc/testsuite/ > > * gcc.target/i386/pieces-memset-1.c: New test. > * gcc.target/i386/pieces-memset-2.c: Likewise. > * gcc.target/i386/pieces-memset-3.c: Likewise. > * gcc.target/i386/pieces-memset-4.c: Likewise. > * gcc.target/i386/pieces-memset-5.c: Likewise. > * gcc.target/i386/pieces-memset-6.c: Likewise. > * gcc.target/i386/pieces-memset-7.c: Likewise. > * gcc.target/i386/pieces-memset-8.c: Likewise. > * gcc.target/i386/pieces-memset-9.c: Likewise. > * gcc.target/i386/pieces-memset-10.c: Likewise. > * gcc.target/i386/pieces-memset-11.c: Likewise. > * gcc.target/i386/pieces-memset-12.c: Likewise. > * gcc.target/i386/pieces-memset-13.c: Likewise. > * gcc.target/i386/pieces-memset-14.c: Likewise. > * gcc.target/i386/pieces-memset-15.c: Likewise. > * gcc.target/i386/pieces-memset-16.c: Likewise. > * gcc.target/i386/pieces-memset-17.c: Likewise. > * gcc.target/i386/pieces-memset-18.c: Likewise. > * gcc.target/i386/pieces-memset-19.c: Likewise. > * gcc.target/i386/pieces-memset-20.c: Likewise. > * gcc.target/i386/pieces-memset-21.c: Likewise. > * gcc.target/i386/pieces-memset-22.c: Likewise. > * gcc.target/i386/pieces-memset-23.c: Likewise. > * gcc.target/i386/pieces-memset-24.c: Likewise. > * gcc.target/i386/pieces-memset-25.c: Likewise. > * gcc.target/i386/pieces-memset-26.c: Likewise. > * gcc.target/i386/pieces-memset-27.c: Likewise. > * gcc.target/i386/pieces-memset-28.c: Likewise. > * gcc.target/i386/pieces-memset-29.c: Likewise. > * gcc.target/i386/pieces-memset-30.c: Likewise. > * gcc.target/i386/pieces-memset-31.c: Likewise. > * gcc.target/i386/pieces-memset-32.c: Likewise. > * gcc.target/i386/pieces-memset-33.c: Likewise. > * gcc.target/i386/pieces-memset-34.c: Likewise. > * gcc.target/i386/pieces-memset-35.c: Likewise. > * gcc.target/i386/pieces-memset-36.c: Likewise. > * gcc.target/i386/pieces-memset-37.c: Likewise. > * gcc.target/i386/pieces-memset-38.c: Likewise. > * gcc.target/i386/pieces-memset-39.c: Likewise. > * gcc.target/i386/pieces-memset-40.c: Likewise. > * gcc.target/i386/pieces-memset-41.c: Likewise. > * gcc.target/i386/pieces-memset-42.c: Likewise. > * gcc.target/i386/pieces-memset-43.c: Likewise. > * gcc.target/i386/pieces-memset-44.c: Likewise. > --- > gcc/builtins.c | 32 ++++++++++++-------- > gcc/config/i386/i386.c | 38 ++++++++++++++++++++++++ > gcc/config/i386/i386.h | 13 ++++++++ > gcc/doc/tm.texi | 7 +++++ > gcc/doc/tm.texi.in | 2 ++ > gcc/target.def | 9 ++++++ > gcc/targhooks.h | 1 + > gcc/testsuite/gcc.target/i386/pieces-memset-1.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-10.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-11.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-12.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-13.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-14.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-15.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-16.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-17.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-18.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-19.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-2.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-20.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-21.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-22.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-23.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-24.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-25.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-26.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-27.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-28.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-29.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-3.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-30.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-31.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-32.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-33.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-34.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-35.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-36.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-37.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-38.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-39.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-4.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-40.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-41.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-42.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-43.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-44.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-5.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-6.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-7.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-8.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-9.c | 12 ++++++++ > 51 files changed, 643 insertions(+), 13 deletions(-) > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-1.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-10.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-11.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-12.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-13.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-14.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-15.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-16.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-17.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-18.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-19.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-2.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-20.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-21.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-22.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-23.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-24.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-25.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-26.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-27.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-28.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-29.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-3.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-30.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-31.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-32.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-33.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-34.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-35.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-36.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-37.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-38.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-39.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-4.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-40.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-41.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-42.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-43.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-44.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-5.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-6.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-7.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-8.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-9.c > > diff --git a/gcc/builtins.c b/gcc/builtins.c > index 03a0dc8..79be38e 100644 > --- a/gcc/builtins.c > +++ b/gcc/builtins.c > @@ -3411,21 +3411,10 @@ static rtx > builtin_memset_gen_str (void *data, HOST_WIDE_INT offset ATTRIBUTE_UNUSED, > machine_mode mode) > { > - rtx target, coeff; > - size_t size; > - char *p; > - > - size = GET_MODE_SIZE (mode); > - if (size == 1) > + if (GET_MODE_SIZE (mode) == 1) > return (rtx) data; > > - p = XALLOCAVEC (char, size); > - memset (p, 1, size); > - coeff = c_readstr (p, mode); > - > - target = convert_to_mode (mode, (rtx) data, 1); > - target = expand_mult (mode, target, coeff, NULL_RTX, 1); > - return force_reg (mode, target); > + return targetm.gen_memset_value ((rtx) data, mode); > } > > /* Expand expression EXP, which is a call to the memset builtin. Return > @@ -10172,3 +10161,20 @@ is_inexpensive_builtin (tree decl) > > return false; > } > + > +/* Default implementation of TARGET_GEN_MEMSET_VALUE. */ > + > +rtx > +default_gen_memset_value (rtx data, machine_mode mode) > +{ > + rtx target, coeff; > + char *p; > + size_t size = GET_MODE_SIZE (mode); > + p = XALLOCAVEC (char, size); > + memset (p, 1, size); > + coeff = c_readstr (p, mode); > + > + target = convert_to_mode (mode, (rtx) data, 1); > + target = expand_mult (mode, target, coeff, NULL_RTX, 1); > + return force_reg (mode, target); > +} > diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c > index 3805817..23ec694 100644 > --- a/gcc/config/i386/i386.c > +++ b/gcc/config/i386/i386.c > @@ -55314,6 +55314,41 @@ ix86_optab_supported_p (int op, machine_mode mode1, machine_mode, > } > } > > +/* Implement the TARGET_GEN_MEMSET_VALUE hook. */ > + > +static rtx > +ix86_gen_memset_value (rtx data, machine_mode mode) > +{ > + if (GET_MODE_SIZE (mode) <= 8) > + return default_gen_memset_value (data, mode); > + > + if (GET_MODE_SIZE (mode) != 16) > + gcc_unreachable (); > + > + rtx one, target; > + machine_mode one_mode; > + > + if (TARGET_AVX2) > + { > + one_mode = QImode; > + one = data; > + } > + else > + { > + one_mode = SImode; > + one = default_gen_memset_value (data, one_mode); > + } > + > + machine_mode vector_mode > + = mode_for_vector (one_mode, > + GET_MODE_SIZE (mode) / GET_MODE_SIZE (one_mode)); > + target = gen_reg_rtx (vector_mode); > + if (ix86_vector_duplicate_value (vector_mode, target, one)) > + return convert_to_mode (mode, target, 1); > + else > + gcc_unreachable (); > +} > + > /* Address space support. > > This is not "far pointers" in the 16-bit sense, but an easy way > @@ -55814,6 +55849,9 @@ ix86_addr_space_zero_address_valid (addr_space_t as) > #undef TARGET_HARD_REGNO_SCRATCH_OK > #define TARGET_HARD_REGNO_SCRATCH_OK ix86_hard_regno_scratch_ok > > +#undef TARGET_GEN_MEMSET_VALUE > +#define TARGET_GEN_MEMSET_VALUE ix86_gen_memset_value > + > struct gcc_target targetm = TARGET_INITIALIZER; > > #include "gt-i386.h" > diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h > index 8751143..7ce2e4a 100644 > --- a/gcc/config/i386/i386.h > +++ b/gcc/config/i386/i386.h > @@ -1963,6 +1963,19 @@ typedef struct ix86_args { > && TARGET_SSE_UNALIGNED_STORE_OPTIMAL) \ > ? GET_MODE_SIZE (TImode) : UNITS_PER_WORD) > > +/* STORE_MAX_PIECES is the number of bytes at a time which we can > + store efficiently. > + > + ??? We should use TImode in 32-bit mode and use OImode or XImode > + if they are available. But since by_pieces_ninsns determines the > + widest mode with MAX_FIXED_MODE_SIZE, we can only use TImode in > + 64-bit mode. */ > +#define STORE_MAX_PIECES \ > + ((TARGET_64BIT \ > + && TARGET_SSE2 \ > + && TARGET_SSE_UNALIGNED_STORE_OPTIMAL) \ > + ? GET_MODE_SIZE (TImode) : UNITS_PER_WORD) > + > /* If a memory-to-memory move would take MOVE_RATIO or more simple > move-instruction pairs, we will do a movmem or libcall instead. > Increasing the value will always make code faster, but eventually > diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi > index 9edb006..abab7dd 100644 > --- a/gcc/doc/tm.texi > +++ b/gcc/doc/tm.texi > @@ -11458,6 +11458,13 @@ This function prepares to emit a conditional comparison within a sequence > @var{bit_code} is @code{AND} or @code{IOR}, which is the op on the compares. > @end deftypefn > > +@deftypefn {Target Hook} rtx TARGET_GEN_MEMSET_VALUE (rtx @var{data}, machine_mode @var{mode}) > +This functio returns the RTL of a register containing > +@code{GET_MODE_SIZE (@var{mode})} consecutive copies of the unsigned > +char value given in the RTL register @var{data}. For example, if > +@var{mode} is 4 bytes wide, return the RTL for 0x01010101*@var{data}. > +@end deftypefn > + > @deftypefn {Target Hook} unsigned TARGET_LOOP_UNROLL_ADJUST (unsigned @var{nunroll}, struct loop *@var{loop}) > This target hook returns a new value for the number of times @var{loop} > should be unrolled. The parameter @var{nunroll} is the number of times > diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in > index a72c3d8..564c11ba 100644 > --- a/gcc/doc/tm.texi.in > +++ b/gcc/doc/tm.texi.in > @@ -8112,6 +8112,8 @@ build_type_attribute_variant (@var{mdecl}, > > @hook TARGET_GEN_CCMP_NEXT > > +@hook TARGET_GEN_MEMSET_VALUE > + > @hook TARGET_LOOP_UNROLL_ADJUST > > @defmac POWI_MAX_MULTS > diff --git a/gcc/target.def b/gcc/target.def > index 929d9ea..c4eb6b4 100644 > --- a/gcc/target.def > +++ b/gcc/target.def > @@ -2631,6 +2631,15 @@ DEFHOOK > rtx, (rtx *prep_seq, rtx *gen_seq, rtx prev, int cmp_code, tree op0, tree op1, int bit_code), > NULL) > > +DEFHOOK > +(gen_memset_value, > + "This functio returns the RTL of a register containing\n\ > +@code{GET_MODE_SIZE (@var{mode})} consecutive copies of the unsigned\n\ > +char value given in the RTL register @var{data}. For example, if\n\ > +@var{mode} is 4 bytes wide, return the RTL for 0x01010101*@var{data}.", > + rtx, (rtx data, machine_mode mode), > + default_gen_memset_value) > + > /* Return a new value for loop unroll size. */ > DEFHOOK > (loop_unroll_adjust, > diff --git a/gcc/targhooks.h b/gcc/targhooks.h > index 2e7ca72..798a998 100644 > --- a/gcc/targhooks.h > +++ b/gcc/targhooks.h > @@ -257,5 +257,6 @@ extern bool default_optab_supported_p (int, machine_mode, machine_mode, > optimization_type); > > extern unsigned int default_max_noce_ifcvt_seq_cost (edge); > +extern rtx default_gen_memset_value (rtx, machine_mode); > > #endif /* GCC_TARGHOOKS_H */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-1.c b/gcc/testsuite/gcc.target/i386/pieces-memset-1.c > new file mode 100644 > index 0000000..b33c073 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-1.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 64); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-10.c b/gcc/testsuite/gcc.target/i386/pieces-memset-10.c > new file mode 100644 > index 0000000..90df34a > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-10.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 64); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-11.c b/gcc/testsuite/gcc.target/i386/pieces-memset-11.c > new file mode 100644 > index 0000000..e234196 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-11.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 64); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-12.c b/gcc/testsuite/gcc.target/i386/pieces-memset-12.c > new file mode 100644 > index 0000000..ebc0db1 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-12.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 66); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-13.c b/gcc/testsuite/gcc.target/i386/pieces-memset-13.c > new file mode 100644 > index 0000000..251061f > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-13.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 33); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-14.c b/gcc/testsuite/gcc.target/i386/pieces-memset-14.c > new file mode 100644 > index 0000000..e6426e6 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-14.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-15.c b/gcc/testsuite/gcc.target/i386/pieces-memset-15.c > new file mode 100644 > index 0000000..7ade143 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-15.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-16.c b/gcc/testsuite/gcc.target/i386/pieces-memset-16.c > new file mode 100644 > index 0000000..d8ef81e > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-16.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 17); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-17.c b/gcc/testsuite/gcc.target/i386/pieces-memset-17.c > new file mode 100644 > index 0000000..c997cda > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-17.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 17); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-18.c b/gcc/testsuite/gcc.target/i386/pieces-memset-18.c > new file mode 100644 > index 0000000..a611040 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-18.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 17); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-19.c b/gcc/testsuite/gcc.target/i386/pieces-memset-19.c > new file mode 100644 > index 0000000..8367654 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-19.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 64); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-2.c b/gcc/testsuite/gcc.target/i386/pieces-memset-2.c > new file mode 100644 > index 0000000..15f4396 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-2.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 64); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-20.c b/gcc/testsuite/gcc.target/i386/pieces-memset-20.c > new file mode 100644 > index 0000000..247936c > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-20.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 64); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-21.c b/gcc/testsuite/gcc.target/i386/pieces-memset-21.c > new file mode 100644 > index 0000000..e4319dc > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-21.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-22.c b/gcc/testsuite/gcc.target/i386/pieces-memset-22.c > new file mode 100644 > index 0000000..e7b6368 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-22.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 33); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-23.c b/gcc/testsuite/gcc.target/i386/pieces-memset-23.c > new file mode 100644 > index 0000000..703d663 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-23.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-24.c b/gcc/testsuite/gcc.target/i386/pieces-memset-24.c > new file mode 100644 > index 0000000..aaec8c1 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-24.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-25.c b/gcc/testsuite/gcc.target/i386/pieces-memset-25.c > new file mode 100644 > index 0000000..9c38f86 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-25.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 17); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-26.c b/gcc/testsuite/gcc.target/i386/pieces-memset-26.c > new file mode 100644 > index 0000000..0040c2b > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-26.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 17); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-27.c b/gcc/testsuite/gcc.target/i386/pieces-memset-27.c > new file mode 100644 > index 0000000..e742aa3 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-27.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 17); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-28.c b/gcc/testsuite/gcc.target/i386/pieces-memset-28.c > new file mode 100644 > index 0000000..7d6a8dd > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-28.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 64); > +} > + > +/* { dg-final { scan-assembler-times "pcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-29.c b/gcc/testsuite/gcc.target/i386/pieces-memset-29.c > new file mode 100644 > index 0000000..9847d5e > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-29.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 64); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-3.c b/gcc/testsuite/gcc.target/i386/pieces-memset-3.c > new file mode 100644 > index 0000000..907ee6d > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-3.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512bw -mavx512f -mtune=intel" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-30.c b/gcc/testsuite/gcc.target/i386/pieces-memset-30.c > new file mode 100644 > index 0000000..cff88f7 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-30.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 64); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-31.c b/gcc/testsuite/gcc.target/i386/pieces-memset-31.c > new file mode 100644 > index 0000000..1221f72 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-31.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-32.c b/gcc/testsuite/gcc.target/i386/pieces-memset-32.c > new file mode 100644 > index 0000000..0a8d0aa > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-32.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "pcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-33.c b/gcc/testsuite/gcc.target/i386/pieces-memset-33.c > new file mode 100644 > index 0000000..65d4bfa > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-33.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-34.c b/gcc/testsuite/gcc.target/i386/pieces-memset-34.c > new file mode 100644 > index 0000000..e2c1fc8 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-34.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-35.c b/gcc/testsuite/gcc.target/i386/pieces-memset-35.c > new file mode 100644 > index 0000000..df6dd0d > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-35.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 34); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-36.c b/gcc/testsuite/gcc.target/i386/pieces-memset-36.c > new file mode 100644 > index 0000000..7f9829a > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-36.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 17); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-37.c b/gcc/testsuite/gcc.target/i386/pieces-memset-37.c > new file mode 100644 > index 0000000..ad8d996 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-37.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-38.c b/gcc/testsuite/gcc.target/i386/pieces-memset-38.c > new file mode 100644 > index 0000000..907ee6d > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-38.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512bw -mavx512f -mtune=intel" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-39.c b/gcc/testsuite/gcc.target/i386/pieces-memset-39.c > new file mode 100644 > index 0000000..ab560c9 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-39.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512bw -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-4.c b/gcc/testsuite/gcc.target/i386/pieces-memset-4.c > new file mode 100644 > index 0000000..17b0c25 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-4.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 33); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-40.c b/gcc/testsuite/gcc.target/i386/pieces-memset-40.c > new file mode 100644 > index 0000000..d818f35 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-40.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-41.c b/gcc/testsuite/gcc.target/i386/pieces-memset-41.c > new file mode 100644 > index 0000000..5f3fea5 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-41.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-42.c b/gcc/testsuite/gcc.target/i386/pieces-memset-42.c > new file mode 100644 > index 0000000..948cf09 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-42.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-43.c b/gcc/testsuite/gcc.target/i386/pieces-memset-43.c > new file mode 100644 > index 0000000..9ab7c53 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-43.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-44.c b/gcc/testsuite/gcc.target/i386/pieces-memset-44.c > new file mode 100644 > index 0000000..de45cb9 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-44.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-5.c b/gcc/testsuite/gcc.target/i386/pieces-memset-5.c > new file mode 100644 > index 0000000..b47c666 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-5.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-6.c b/gcc/testsuite/gcc.target/i386/pieces-memset-6.c > new file mode 100644 > index 0000000..9535277 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-6.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=intel" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-7.c b/gcc/testsuite/gcc.target/i386/pieces-memset-7.c > new file mode 100644 > index 0000000..f0466e8 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-7.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 17); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-8.c b/gcc/testsuite/gcc.target/i386/pieces-memset-8.c > new file mode 100644 > index 0000000..9147460 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-8.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 17); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-9.c b/gcc/testsuite/gcc.target/i386/pieces-memset-9.c > new file mode 100644 > index 0000000..cedf8a3 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-9.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 17); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > -- > 2.7.4 >
On Wed, Aug 17, 2016 at 10:11 PM, H.J. Lu <hongjiu.lu@intel.com> wrote: > builtin_memset_gen_str returns a register used for memset, which only > supports integer registers. But a target may use vector registers in > memmset. This patch adds a TARGET_GEN_MEMSET_VALUE hook to duplicate > QImode value to mode derived from STORE_MAX_PIECES, which can be used > with vector instructions. The default hook is the same as the original > builtin_memset_gen_str. A target can override it to support vector > instructions for STORE_MAX_PIECES. > > Tested on x86-64 and i686. Any comments? > > H.J. > --- > gcc/ > > * builtins.c (builtin_memset_gen_str): Call targetm.gen_memset_value. > (default_gen_memset_value): New function. > * target.def (gen_memset_value): New hook. > * targhooks.c: Inclue "expmed.h" and "builtins.h". > (default_gen_memset_value): New function. I see default_gen_memset_value in builtins.c but it belongs here. > * targhooks.h (default_gen_memset_value): New prototype. > * config/i386/i386.c (ix86_gen_memset_value): New function. > (TARGET_GEN_MEMSET_VALUE): New. > * config/i386/i386.h (STORE_MAX_PIECES): Likewise. > * doc/tm.texi.in: Add TARGET_GEN_MEMSET_VALUE hook. > * doc/tm.texi: Updated. > > gcc/testsuite/ > > * gcc.target/i386/pieces-memset-1.c: New test. > * gcc.target/i386/pieces-memset-2.c: Likewise. > * gcc.target/i386/pieces-memset-3.c: Likewise. > * gcc.target/i386/pieces-memset-4.c: Likewise. > * gcc.target/i386/pieces-memset-5.c: Likewise. > * gcc.target/i386/pieces-memset-6.c: Likewise. > * gcc.target/i386/pieces-memset-7.c: Likewise. > * gcc.target/i386/pieces-memset-8.c: Likewise. > * gcc.target/i386/pieces-memset-9.c: Likewise. > * gcc.target/i386/pieces-memset-10.c: Likewise. > * gcc.target/i386/pieces-memset-11.c: Likewise. > * gcc.target/i386/pieces-memset-12.c: Likewise. > * gcc.target/i386/pieces-memset-13.c: Likewise. > * gcc.target/i386/pieces-memset-14.c: Likewise. > * gcc.target/i386/pieces-memset-15.c: Likewise. > * gcc.target/i386/pieces-memset-16.c: Likewise. > * gcc.target/i386/pieces-memset-17.c: Likewise. > * gcc.target/i386/pieces-memset-18.c: Likewise. > * gcc.target/i386/pieces-memset-19.c: Likewise. > * gcc.target/i386/pieces-memset-20.c: Likewise. > * gcc.target/i386/pieces-memset-21.c: Likewise. > * gcc.target/i386/pieces-memset-22.c: Likewise. > * gcc.target/i386/pieces-memset-23.c: Likewise. > * gcc.target/i386/pieces-memset-24.c: Likewise. > * gcc.target/i386/pieces-memset-25.c: Likewise. > * gcc.target/i386/pieces-memset-26.c: Likewise. > * gcc.target/i386/pieces-memset-27.c: Likewise. > * gcc.target/i386/pieces-memset-28.c: Likewise. > * gcc.target/i386/pieces-memset-29.c: Likewise. > * gcc.target/i386/pieces-memset-30.c: Likewise. > * gcc.target/i386/pieces-memset-31.c: Likewise. > * gcc.target/i386/pieces-memset-32.c: Likewise. > * gcc.target/i386/pieces-memset-33.c: Likewise. > * gcc.target/i386/pieces-memset-34.c: Likewise. > * gcc.target/i386/pieces-memset-35.c: Likewise. > * gcc.target/i386/pieces-memset-36.c: Likewise. > * gcc.target/i386/pieces-memset-37.c: Likewise. > * gcc.target/i386/pieces-memset-38.c: Likewise. > * gcc.target/i386/pieces-memset-39.c: Likewise. > * gcc.target/i386/pieces-memset-40.c: Likewise. > * gcc.target/i386/pieces-memset-41.c: Likewise. > * gcc.target/i386/pieces-memset-42.c: Likewise. > * gcc.target/i386/pieces-memset-43.c: Likewise. > * gcc.target/i386/pieces-memset-44.c: Likewise. > --- > gcc/builtins.c | 32 ++++++++++++-------- > gcc/config/i386/i386.c | 38 ++++++++++++++++++++++++ > gcc/config/i386/i386.h | 13 ++++++++ > gcc/doc/tm.texi | 7 +++++ > gcc/doc/tm.texi.in | 2 ++ > gcc/target.def | 9 ++++++ > gcc/targhooks.h | 1 + > gcc/testsuite/gcc.target/i386/pieces-memset-1.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-10.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-11.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-12.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-13.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-14.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-15.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-16.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-17.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-18.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-19.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-2.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-20.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-21.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-22.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-23.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-24.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-25.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-26.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-27.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-28.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-29.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-3.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-30.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-31.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-32.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-33.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-34.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-35.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-36.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-37.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-38.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-39.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-4.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-40.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-41.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-42.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-43.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-44.c | 13 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-5.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-6.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-7.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-8.c | 12 ++++++++ > gcc/testsuite/gcc.target/i386/pieces-memset-9.c | 12 ++++++++ > 51 files changed, 643 insertions(+), 13 deletions(-) > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-1.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-10.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-11.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-12.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-13.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-14.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-15.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-16.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-17.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-18.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-19.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-2.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-20.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-21.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-22.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-23.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-24.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-25.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-26.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-27.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-28.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-29.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-3.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-30.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-31.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-32.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-33.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-34.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-35.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-36.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-37.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-38.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-39.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-4.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-40.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-41.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-42.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-43.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-44.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-5.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-6.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-7.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-8.c > create mode 100644 gcc/testsuite/gcc.target/i386/pieces-memset-9.c > > diff --git a/gcc/builtins.c b/gcc/builtins.c > index 03a0dc8..79be38e 100644 > --- a/gcc/builtins.c > +++ b/gcc/builtins.c > @@ -3411,21 +3411,10 @@ static rtx > builtin_memset_gen_str (void *data, HOST_WIDE_INT offset ATTRIBUTE_UNUSED, > machine_mode mode) > { > - rtx target, coeff; > - size_t size; > - char *p; > - > - size = GET_MODE_SIZE (mode); > - if (size == 1) > + if (GET_MODE_SIZE (mode) == 1) > return (rtx) data; > > - p = XALLOCAVEC (char, size); > - memset (p, 1, size); > - coeff = c_readstr (p, mode); > - > - target = convert_to_mode (mode, (rtx) data, 1); > - target = expand_mult (mode, target, coeff, NULL_RTX, 1); > - return force_reg (mode, target); > + return targetm.gen_memset_value ((rtx) data, mode); > } > > /* Expand expression EXP, which is a call to the memset builtin. Return > @@ -10172,3 +10161,20 @@ is_inexpensive_builtin (tree decl) > > return false; > } > + > +/* Default implementation of TARGET_GEN_MEMSET_VALUE. */ > + > +rtx > +default_gen_memset_value (rtx data, machine_mode mode) > +{ > + rtx target, coeff; > + char *p; > + size_t size = GET_MODE_SIZE (mode); > + p = XALLOCAVEC (char, size); > + memset (p, 1, size); > + coeff = c_readstr (p, mode); > + > + target = convert_to_mode (mode, (rtx) data, 1); > + target = expand_mult (mode, target, coeff, NULL_RTX, 1); > + return force_reg (mode, target); > +} > diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c > index 3805817..23ec694 100644 > --- a/gcc/config/i386/i386.c > +++ b/gcc/config/i386/i386.c > @@ -55314,6 +55314,41 @@ ix86_optab_supported_p (int op, machine_mode mode1, machine_mode, > } > } > > +/* Implement the TARGET_GEN_MEMSET_VALUE hook. */ > + > +static rtx > +ix86_gen_memset_value (rtx data, machine_mode mode) > +{ > + if (GET_MODE_SIZE (mode) <= 8) > + return default_gen_memset_value (data, mode); > + > + if (GET_MODE_SIZE (mode) != 16) > + gcc_unreachable (); > + > + rtx one, target; > + machine_mode one_mode; > + > + if (TARGET_AVX2) > + { > + one_mode = QImode; > + one = data; > + } > + else > + { > + one_mode = SImode; > + one = default_gen_memset_value (data, one_mode); > + } > + > + machine_mode vector_mode > + = mode_for_vector (one_mode, > + GET_MODE_SIZE (mode) / GET_MODE_SIZE (one_mode)); > + target = gen_reg_rtx (vector_mode); > + if (ix86_vector_duplicate_value (vector_mode, target, one)) > + return convert_to_mode (mode, target, 1); > + else > + gcc_unreachable (); > +} > + > /* Address space support. > > This is not "far pointers" in the 16-bit sense, but an easy way > @@ -55814,6 +55849,9 @@ ix86_addr_space_zero_address_valid (addr_space_t as) > #undef TARGET_HARD_REGNO_SCRATCH_OK > #define TARGET_HARD_REGNO_SCRATCH_OK ix86_hard_regno_scratch_ok > > +#undef TARGET_GEN_MEMSET_VALUE > +#define TARGET_GEN_MEMSET_VALUE ix86_gen_memset_value > + > struct gcc_target targetm = TARGET_INITIALIZER; > > #include "gt-i386.h" > diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h > index 8751143..7ce2e4a 100644 > --- a/gcc/config/i386/i386.h > +++ b/gcc/config/i386/i386.h > @@ -1963,6 +1963,19 @@ typedef struct ix86_args { > && TARGET_SSE_UNALIGNED_STORE_OPTIMAL) \ > ? GET_MODE_SIZE (TImode) : UNITS_PER_WORD) > > +/* STORE_MAX_PIECES is the number of bytes at a time which we can > + store efficiently. > + > + ??? We should use TImode in 32-bit mode and use OImode or XImode > + if they are available. But since by_pieces_ninsns determines the > + widest mode with MAX_FIXED_MODE_SIZE, we can only use TImode in > + 64-bit mode. */ > +#define STORE_MAX_PIECES \ > + ((TARGET_64BIT \ > + && TARGET_SSE2 \ > + && TARGET_SSE_UNALIGNED_STORE_OPTIMAL) \ > + ? GET_MODE_SIZE (TImode) : UNITS_PER_WORD) > + > /* If a memory-to-memory move would take MOVE_RATIO or more simple > move-instruction pairs, we will do a movmem or libcall instead. > Increasing the value will always make code faster, but eventually > diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi > index 9edb006..abab7dd 100644 > --- a/gcc/doc/tm.texi > +++ b/gcc/doc/tm.texi > @@ -11458,6 +11458,13 @@ This function prepares to emit a conditional comparison within a sequence > @var{bit_code} is @code{AND} or @code{IOR}, which is the op on the compares. > @end deftypefn > > +@deftypefn {Target Hook} rtx TARGET_GEN_MEMSET_VALUE (rtx @var{data}, machine_mode @var{mode}) > +This functio returns the RTL of a register containing > +@code{GET_MODE_SIZE (@var{mode})} consecutive copies of the unsigned > +char value given in the RTL register @var{data}. For example, if > +@var{mode} is 4 bytes wide, return the RTL for 0x01010101*@var{data}. > +@end deftypefn > + > @deftypefn {Target Hook} unsigned TARGET_LOOP_UNROLL_ADJUST (unsigned @var{nunroll}, struct loop *@var{loop}) > This target hook returns a new value for the number of times @var{loop} > should be unrolled. The parameter @var{nunroll} is the number of times > diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in > index a72c3d8..564c11ba 100644 > --- a/gcc/doc/tm.texi.in > +++ b/gcc/doc/tm.texi.in > @@ -8112,6 +8112,8 @@ build_type_attribute_variant (@var{mdecl}, > > @hook TARGET_GEN_CCMP_NEXT > > +@hook TARGET_GEN_MEMSET_VALUE > + > @hook TARGET_LOOP_UNROLL_ADJUST > > @defmac POWI_MAX_MULTS > diff --git a/gcc/target.def b/gcc/target.def > index 929d9ea..c4eb6b4 100644 > --- a/gcc/target.def > +++ b/gcc/target.def > @@ -2631,6 +2631,15 @@ DEFHOOK > rtx, (rtx *prep_seq, rtx *gen_seq, rtx prev, int cmp_code, tree op0, tree op1, int bit_code), > NULL) > > +DEFHOOK > +(gen_memset_value, > + "This functio returns the RTL of a register containing\n\ > +@code{GET_MODE_SIZE (@var{mode})} consecutive copies of the unsigned\n\ > +char value given in the RTL register @var{data}. For example, if\n\ > +@var{mode} is 4 bytes wide, return the RTL for 0x01010101*@var{data}.", > + rtx, (rtx data, machine_mode mode), > + default_gen_memset_value) > + > /* Return a new value for loop unroll size. */ > DEFHOOK > (loop_unroll_adjust, > diff --git a/gcc/targhooks.h b/gcc/targhooks.h > index 2e7ca72..798a998 100644 > --- a/gcc/targhooks.h > +++ b/gcc/targhooks.h > @@ -257,5 +257,6 @@ extern bool default_optab_supported_p (int, machine_mode, machine_mode, > optimization_type); > > extern unsigned int default_max_noce_ifcvt_seq_cost (edge); > +extern rtx default_gen_memset_value (rtx, machine_mode); > > #endif /* GCC_TARGHOOKS_H */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-1.c b/gcc/testsuite/gcc.target/i386/pieces-memset-1.c > new file mode 100644 > index 0000000..b33c073 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-1.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 64); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-10.c b/gcc/testsuite/gcc.target/i386/pieces-memset-10.c > new file mode 100644 > index 0000000..90df34a > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-10.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 64); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-11.c b/gcc/testsuite/gcc.target/i386/pieces-memset-11.c > new file mode 100644 > index 0000000..e234196 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-11.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 64); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-12.c b/gcc/testsuite/gcc.target/i386/pieces-memset-12.c > new file mode 100644 > index 0000000..ebc0db1 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-12.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 66); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-13.c b/gcc/testsuite/gcc.target/i386/pieces-memset-13.c > new file mode 100644 > index 0000000..251061f > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-13.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 33); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-14.c b/gcc/testsuite/gcc.target/i386/pieces-memset-14.c > new file mode 100644 > index 0000000..e6426e6 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-14.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-15.c b/gcc/testsuite/gcc.target/i386/pieces-memset-15.c > new file mode 100644 > index 0000000..7ade143 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-15.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-16.c b/gcc/testsuite/gcc.target/i386/pieces-memset-16.c > new file mode 100644 > index 0000000..d8ef81e > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-16.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 17); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-17.c b/gcc/testsuite/gcc.target/i386/pieces-memset-17.c > new file mode 100644 > index 0000000..c997cda > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-17.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 17); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-18.c b/gcc/testsuite/gcc.target/i386/pieces-memset-18.c > new file mode 100644 > index 0000000..a611040 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-18.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 3, 17); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-19.c b/gcc/testsuite/gcc.target/i386/pieces-memset-19.c > new file mode 100644 > index 0000000..8367654 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-19.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 64); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-2.c b/gcc/testsuite/gcc.target/i386/pieces-memset-2.c > new file mode 100644 > index 0000000..15f4396 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-2.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 64); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-20.c b/gcc/testsuite/gcc.target/i386/pieces-memset-20.c > new file mode 100644 > index 0000000..247936c > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-20.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 64); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-21.c b/gcc/testsuite/gcc.target/i386/pieces-memset-21.c > new file mode 100644 > index 0000000..e4319dc > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-21.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-22.c b/gcc/testsuite/gcc.target/i386/pieces-memset-22.c > new file mode 100644 > index 0000000..e7b6368 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-22.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 33); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-23.c b/gcc/testsuite/gcc.target/i386/pieces-memset-23.c > new file mode 100644 > index 0000000..703d663 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-23.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-24.c b/gcc/testsuite/gcc.target/i386/pieces-memset-24.c > new file mode 100644 > index 0000000..aaec8c1 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-24.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-25.c b/gcc/testsuite/gcc.target/i386/pieces-memset-25.c > new file mode 100644 > index 0000000..9c38f86 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-25.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 17); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-26.c b/gcc/testsuite/gcc.target/i386/pieces-memset-26.c > new file mode 100644 > index 0000000..0040c2b > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-26.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 17); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-27.c b/gcc/testsuite/gcc.target/i386/pieces-memset-27.c > new file mode 100644 > index 0000000..e742aa3 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-27.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 17); > +} > + > +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-28.c b/gcc/testsuite/gcc.target/i386/pieces-memset-28.c > new file mode 100644 > index 0000000..7d6a8dd > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-28.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 64); > +} > + > +/* { dg-final { scan-assembler-times "pcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-29.c b/gcc/testsuite/gcc.target/i386/pieces-memset-29.c > new file mode 100644 > index 0000000..9847d5e > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-29.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 64); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-3.c b/gcc/testsuite/gcc.target/i386/pieces-memset-3.c > new file mode 100644 > index 0000000..907ee6d > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-3.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512bw -mavx512f -mtune=intel" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-30.c b/gcc/testsuite/gcc.target/i386/pieces-memset-30.c > new file mode 100644 > index 0000000..cff88f7 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-30.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 64); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-31.c b/gcc/testsuite/gcc.target/i386/pieces-memset-31.c > new file mode 100644 > index 0000000..1221f72 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-31.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-32.c b/gcc/testsuite/gcc.target/i386/pieces-memset-32.c > new file mode 100644 > index 0000000..0a8d0aa > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-32.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "pcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-33.c b/gcc/testsuite/gcc.target/i386/pieces-memset-33.c > new file mode 100644 > index 0000000..65d4bfa > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-33.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-34.c b/gcc/testsuite/gcc.target/i386/pieces-memset-34.c > new file mode 100644 > index 0000000..e2c1fc8 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-34.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-35.c b/gcc/testsuite/gcc.target/i386/pieces-memset-35.c > new file mode 100644 > index 0000000..df6dd0d > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-35.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 34); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-36.c b/gcc/testsuite/gcc.target/i386/pieces-memset-36.c > new file mode 100644 > index 0000000..7f9829a > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-36.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 17); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-37.c b/gcc/testsuite/gcc.target/i386/pieces-memset-37.c > new file mode 100644 > index 0000000..ad8d996 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-37.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-38.c b/gcc/testsuite/gcc.target/i386/pieces-memset-38.c > new file mode 100644 > index 0000000..907ee6d > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-38.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512bw -mavx512f -mtune=intel" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-39.c b/gcc/testsuite/gcc.target/i386/pieces-memset-39.c > new file mode 100644 > index 0000000..ab560c9 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-39.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512bw -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-4.c b/gcc/testsuite/gcc.target/i386/pieces-memset-4.c > new file mode 100644 > index 0000000..17b0c25 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-4.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 33); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-40.c b/gcc/testsuite/gcc.target/i386/pieces-memset-40.c > new file mode 100644 > index 0000000..d818f35 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-40.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 66); > +} > + > +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-41.c b/gcc/testsuite/gcc.target/i386/pieces-memset-41.c > new file mode 100644 > index 0000000..5f3fea5 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-41.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-42.c b/gcc/testsuite/gcc.target/i386/pieces-memset-42.c > new file mode 100644 > index 0000000..948cf09 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-42.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, 0, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-43.c b/gcc/testsuite/gcc.target/i386/pieces-memset-43.c > new file mode 100644 > index 0000000..9ab7c53 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-43.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-44.c b/gcc/testsuite/gcc.target/i386/pieces-memset-44.c > new file mode 100644 > index 0000000..de45cb9 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-44.c > @@ -0,0 +1,13 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=sandybridge" } */ > + > +extern char *dst; > + > +void > +foo (void) > +{ > + __builtin_memset (dst, -1, 33); > +} > + > +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-5.c b/gcc/testsuite/gcc.target/i386/pieces-memset-5.c > new file mode 100644 > index 0000000..b47c666 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-5.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-6.c b/gcc/testsuite/gcc.target/i386/pieces-memset-6.c > new file mode 100644 > index 0000000..9535277 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-6.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=intel" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 33); > +} > + > +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 2 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-7.c b/gcc/testsuite/gcc.target/i386/pieces-memset-7.c > new file mode 100644 > index 0000000..f0466e8 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-7.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 17); > +} > + > +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-8.c b/gcc/testsuite/gcc.target/i386/pieces-memset-8.c > new file mode 100644 > index 0000000..9147460 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-8.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 17); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-9.c b/gcc/testsuite/gcc.target/i386/pieces-memset-9.c > new file mode 100644 > index 0000000..cedf8a3 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-9.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile { target { ! ia32 } } } */ > +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ > + > +extern char *dst; > + > +void > +foo (int x) > +{ > + __builtin_memset (dst, x, 17); > +} > + > +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > -- > 2.7.4 >
On Wed, Aug 17, 2016 at 11:21 PM, Uros Bizjak <ubizjak@gmail.com> wrote: > On Wed, Aug 17, 2016 at 10:11 PM, H.J. Lu <hongjiu.lu@intel.com> wrote: >> builtin_memset_gen_str returns a register used for memset, which only >> supports integer registers. But a target may use vector registers in >> memmset. This patch adds a TARGET_GEN_MEMSET_VALUE hook to duplicate >> QImode value to mode derived from STORE_MAX_PIECES, which can be used >> with vector instructions. The default hook is the same as the original >> builtin_memset_gen_str. A target can override it to support vector >> instructions for STORE_MAX_PIECES. >> >> Tested on x86-64 and i686. Any comments? > > It looks to me you have attached an older version of the patch, > STORE_MAX_PIECES change in i386.h is already in the mainline. > Did you mean MOVE_MAX_PIECES? There is no STORE_MAX_PIECES in i386.h H.J.
On Thu, Aug 18, 2016 at 4:53 PM, H.J. Lu <hjl.tools@gmail.com> wrote: > On Wed, Aug 17, 2016 at 11:21 PM, Uros Bizjak <ubizjak@gmail.com> wrote: >> On Wed, Aug 17, 2016 at 10:11 PM, H.J. Lu <hongjiu.lu@intel.com> wrote: >>> builtin_memset_gen_str returns a register used for memset, which only >>> supports integer registers. But a target may use vector registers in >>> memmset. This patch adds a TARGET_GEN_MEMSET_VALUE hook to duplicate >>> QImode value to mode derived from STORE_MAX_PIECES, which can be used >>> with vector instructions. The default hook is the same as the original >>> builtin_memset_gen_str. A target can override it to support vector >>> instructions for STORE_MAX_PIECES. >>> >>> Tested on x86-64 and i686. Any comments? >> >> It looks to me you have attached an older version of the patch, >> STORE_MAX_PIECES change in i386.h is already in the mainline. >> > > Did you mean MOVE_MAX_PIECES? There is no STORE_MAX_PIECES > in i386.h Uh, yes. Sorry for the confusion. Uros.
diff --git a/gcc/builtins.c b/gcc/builtins.c index 03a0dc8..79be38e 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -3411,21 +3411,10 @@ static rtx builtin_memset_gen_str (void *data, HOST_WIDE_INT offset ATTRIBUTE_UNUSED, machine_mode mode) { - rtx target, coeff; - size_t size; - char *p; - - size = GET_MODE_SIZE (mode); - if (size == 1) + if (GET_MODE_SIZE (mode) == 1) return (rtx) data; - p = XALLOCAVEC (char, size); - memset (p, 1, size); - coeff = c_readstr (p, mode); - - target = convert_to_mode (mode, (rtx) data, 1); - target = expand_mult (mode, target, coeff, NULL_RTX, 1); - return force_reg (mode, target); + return targetm.gen_memset_value ((rtx) data, mode); } /* Expand expression EXP, which is a call to the memset builtin. Return @@ -10172,3 +10161,20 @@ is_inexpensive_builtin (tree decl) return false; } + +/* Default implementation of TARGET_GEN_MEMSET_VALUE. */ + +rtx +default_gen_memset_value (rtx data, machine_mode mode) +{ + rtx target, coeff; + char *p; + size_t size = GET_MODE_SIZE (mode); + p = XALLOCAVEC (char, size); + memset (p, 1, size); + coeff = c_readstr (p, mode); + + target = convert_to_mode (mode, (rtx) data, 1); + target = expand_mult (mode, target, coeff, NULL_RTX, 1); + return force_reg (mode, target); +} diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 3805817..23ec694 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -55314,6 +55314,41 @@ ix86_optab_supported_p (int op, machine_mode mode1, machine_mode, } } +/* Implement the TARGET_GEN_MEMSET_VALUE hook. */ + +static rtx +ix86_gen_memset_value (rtx data, machine_mode mode) +{ + if (GET_MODE_SIZE (mode) <= 8) + return default_gen_memset_value (data, mode); + + if (GET_MODE_SIZE (mode) != 16) + gcc_unreachable (); + + rtx one, target; + machine_mode one_mode; + + if (TARGET_AVX2) + { + one_mode = QImode; + one = data; + } + else + { + one_mode = SImode; + one = default_gen_memset_value (data, one_mode); + } + + machine_mode vector_mode + = mode_for_vector (one_mode, + GET_MODE_SIZE (mode) / GET_MODE_SIZE (one_mode)); + target = gen_reg_rtx (vector_mode); + if (ix86_vector_duplicate_value (vector_mode, target, one)) + return convert_to_mode (mode, target, 1); + else + gcc_unreachable (); +} + /* Address space support. This is not "far pointers" in the 16-bit sense, but an easy way @@ -55814,6 +55849,9 @@ ix86_addr_space_zero_address_valid (addr_space_t as) #undef TARGET_HARD_REGNO_SCRATCH_OK #define TARGET_HARD_REGNO_SCRATCH_OK ix86_hard_regno_scratch_ok +#undef TARGET_GEN_MEMSET_VALUE +#define TARGET_GEN_MEMSET_VALUE ix86_gen_memset_value + struct gcc_target targetm = TARGET_INITIALIZER; #include "gt-i386.h" diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 8751143..7ce2e4a 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -1963,6 +1963,19 @@ typedef struct ix86_args { && TARGET_SSE_UNALIGNED_STORE_OPTIMAL) \ ? GET_MODE_SIZE (TImode) : UNITS_PER_WORD) +/* STORE_MAX_PIECES is the number of bytes at a time which we can + store efficiently. + + ??? We should use TImode in 32-bit mode and use OImode or XImode + if they are available. But since by_pieces_ninsns determines the + widest mode with MAX_FIXED_MODE_SIZE, we can only use TImode in + 64-bit mode. */ +#define STORE_MAX_PIECES \ + ((TARGET_64BIT \ + && TARGET_SSE2 \ + && TARGET_SSE_UNALIGNED_STORE_OPTIMAL) \ + ? GET_MODE_SIZE (TImode) : UNITS_PER_WORD) + /* If a memory-to-memory move would take MOVE_RATIO or more simple move-instruction pairs, we will do a movmem or libcall instead. Increasing the value will always make code faster, but eventually diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 9edb006..abab7dd 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -11458,6 +11458,13 @@ This function prepares to emit a conditional comparison within a sequence @var{bit_code} is @code{AND} or @code{IOR}, which is the op on the compares. @end deftypefn +@deftypefn {Target Hook} rtx TARGET_GEN_MEMSET_VALUE (rtx @var{data}, machine_mode @var{mode}) +This functio returns the RTL of a register containing +@code{GET_MODE_SIZE (@var{mode})} consecutive copies of the unsigned +char value given in the RTL register @var{data}. For example, if +@var{mode} is 4 bytes wide, return the RTL for 0x01010101*@var{data}. +@end deftypefn + @deftypefn {Target Hook} unsigned TARGET_LOOP_UNROLL_ADJUST (unsigned @var{nunroll}, struct loop *@var{loop}) This target hook returns a new value for the number of times @var{loop} should be unrolled. The parameter @var{nunroll} is the number of times diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index a72c3d8..564c11ba 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -8112,6 +8112,8 @@ build_type_attribute_variant (@var{mdecl}, @hook TARGET_GEN_CCMP_NEXT +@hook TARGET_GEN_MEMSET_VALUE + @hook TARGET_LOOP_UNROLL_ADJUST @defmac POWI_MAX_MULTS diff --git a/gcc/target.def b/gcc/target.def index 929d9ea..c4eb6b4 100644 --- a/gcc/target.def +++ b/gcc/target.def @@ -2631,6 +2631,15 @@ DEFHOOK rtx, (rtx *prep_seq, rtx *gen_seq, rtx prev, int cmp_code, tree op0, tree op1, int bit_code), NULL) +DEFHOOK +(gen_memset_value, + "This functio returns the RTL of a register containing\n\ +@code{GET_MODE_SIZE (@var{mode})} consecutive copies of the unsigned\n\ +char value given in the RTL register @var{data}. For example, if\n\ +@var{mode} is 4 bytes wide, return the RTL for 0x01010101*@var{data}.", + rtx, (rtx data, machine_mode mode), + default_gen_memset_value) + /* Return a new value for loop unroll size. */ DEFHOOK (loop_unroll_adjust, diff --git a/gcc/targhooks.h b/gcc/targhooks.h index 2e7ca72..798a998 100644 --- a/gcc/targhooks.h +++ b/gcc/targhooks.h @@ -257,5 +257,6 @@ extern bool default_optab_supported_p (int, machine_mode, machine_mode, optimization_type); extern unsigned int default_max_noce_ifcvt_seq_cost (edge); +extern rtx default_gen_memset_value (rtx, machine_mode); #endif /* GCC_TARGHOOKS_H */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-1.c b/gcc/testsuite/gcc.target/i386/pieces-memset-1.c new file mode 100644 index 0000000..b33c073 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-1.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 64); +} + +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-10.c b/gcc/testsuite/gcc.target/i386/pieces-memset-10.c new file mode 100644 index 0000000..90df34a --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-10.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 64); +} + +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-11.c b/gcc/testsuite/gcc.target/i386/pieces-memset-11.c new file mode 100644 index 0000000..e234196 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-11.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 64); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-12.c b/gcc/testsuite/gcc.target/i386/pieces-memset-12.c new file mode 100644 index 0000000..ebc0db1 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-12.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 66); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-13.c b/gcc/testsuite/gcc.target/i386/pieces-memset-13.c new file mode 100644 index 0000000..251061f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-13.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 33); +} + +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-14.c b/gcc/testsuite/gcc.target/i386/pieces-memset-14.c new file mode 100644 index 0000000..e6426e6 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-14.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 33); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-15.c b/gcc/testsuite/gcc.target/i386/pieces-memset-15.c new file mode 100644 index 0000000..7ade143 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-15.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 33); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-16.c b/gcc/testsuite/gcc.target/i386/pieces-memset-16.c new file mode 100644 index 0000000..d8ef81e --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-16.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 17); +} + +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-17.c b/gcc/testsuite/gcc.target/i386/pieces-memset-17.c new file mode 100644 index 0000000..c997cda --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-17.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 17); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-18.c b/gcc/testsuite/gcc.target/i386/pieces-memset-18.c new file mode 100644 index 0000000..a611040 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-18.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 3, 17); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-19.c b/gcc/testsuite/gcc.target/i386/pieces-memset-19.c new file mode 100644 index 0000000..8367654 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-19.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 64); +} + +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-2.c b/gcc/testsuite/gcc.target/i386/pieces-memset-2.c new file mode 100644 index 0000000..15f4396 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-2.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 64); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-20.c b/gcc/testsuite/gcc.target/i386/pieces-memset-20.c new file mode 100644 index 0000000..247936c --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-20.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 64); +} + +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-21.c b/gcc/testsuite/gcc.target/i386/pieces-memset-21.c new file mode 100644 index 0000000..e4319dc --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-21.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 66); +} + +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-22.c b/gcc/testsuite/gcc.target/i386/pieces-memset-22.c new file mode 100644 index 0000000..e7b6368 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-22.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 33); +} + +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-23.c b/gcc/testsuite/gcc.target/i386/pieces-memset-23.c new file mode 100644 index 0000000..703d663 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-23.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 33); +} + +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-24.c b/gcc/testsuite/gcc.target/i386/pieces-memset-24.c new file mode 100644 index 0000000..aaec8c1 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-24.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 33); +} + +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-25.c b/gcc/testsuite/gcc.target/i386/pieces-memset-25.c new file mode 100644 index 0000000..9c38f86 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-25.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 17); +} + +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-26.c b/gcc/testsuite/gcc.target/i386/pieces-memset-26.c new file mode 100644 index 0000000..0040c2b --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-26.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 17); +} + +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-27.c b/gcc/testsuite/gcc.target/i386/pieces-memset-27.c new file mode 100644 index 0000000..e742aa3 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-27.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 17); +} + +/* { dg-final { scan-assembler-times "pxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-28.c b/gcc/testsuite/gcc.target/i386/pieces-memset-28.c new file mode 100644 index 0000000..7d6a8dd --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-28.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 64); +} + +/* { dg-final { scan-assembler-times "pcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-29.c b/gcc/testsuite/gcc.target/i386/pieces-memset-29.c new file mode 100644 index 0000000..9847d5e --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-29.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 64); +} + +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-3.c b/gcc/testsuite/gcc.target/i386/pieces-memset-3.c new file mode 100644 index 0000000..907ee6d --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-3.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx512bw -mavx512f -mtune=intel" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 66); +} + +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-30.c b/gcc/testsuite/gcc.target/i386/pieces-memset-30.c new file mode 100644 index 0000000..cff88f7 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-30.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 64); +} + +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-31.c b/gcc/testsuite/gcc.target/i386/pieces-memset-31.c new file mode 100644 index 0000000..1221f72 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-31.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 66); +} + +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-32.c b/gcc/testsuite/gcc.target/i386/pieces-memset-32.c new file mode 100644 index 0000000..0a8d0aa --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-32.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 33); +} + +/* { dg-final { scan-assembler-times "pcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-33.c b/gcc/testsuite/gcc.target/i386/pieces-memset-33.c new file mode 100644 index 0000000..65d4bfa --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-33.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 33); +} + +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-34.c b/gcc/testsuite/gcc.target/i386/pieces-memset-34.c new file mode 100644 index 0000000..e2c1fc8 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-34.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 33); +} + +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-35.c b/gcc/testsuite/gcc.target/i386/pieces-memset-35.c new file mode 100644 index 0000000..df6dd0d --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-35.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 34); +} + +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-36.c b/gcc/testsuite/gcc.target/i386/pieces-memset-36.c new file mode 100644 index 0000000..7f9829a --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-36.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=generic" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 17); +} + +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-37.c b/gcc/testsuite/gcc.target/i386/pieces-memset-37.c new file mode 100644 index 0000000..ad8d996 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-37.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 66); +} + +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-38.c b/gcc/testsuite/gcc.target/i386/pieces-memset-38.c new file mode 100644 index 0000000..907ee6d --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-38.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx512bw -mavx512f -mtune=intel" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 66); +} + +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-39.c b/gcc/testsuite/gcc.target/i386/pieces-memset-39.c new file mode 100644 index 0000000..ab560c9 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-39.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512bw -mtune=generic" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 66); +} + +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-4.c b/gcc/testsuite/gcc.target/i386/pieces-memset-4.c new file mode 100644 index 0000000..17b0c25 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-4.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 33); +} + +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-40.c b/gcc/testsuite/gcc.target/i386/pieces-memset-40.c new file mode 100644 index 0000000..d818f35 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-40.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=sandybridge" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 66); +} + +/* { dg-final { scan-assembler-times "vpbroadcastb\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 4 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-41.c b/gcc/testsuite/gcc.target/i386/pieces-memset-41.c new file mode 100644 index 0000000..5f3fea5 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-41.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 33); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-42.c b/gcc/testsuite/gcc.target/i386/pieces-memset-42.c new file mode 100644 index 0000000..948cf09 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-42.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, 0, 33); +} + +/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-43.c b/gcc/testsuite/gcc.target/i386/pieces-memset-43.c new file mode 100644 index 0000000..9ab7c53 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-43.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=sandybridge" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 33); +} + +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-44.c b/gcc/testsuite/gcc.target/i386/pieces-memset-44.c new file mode 100644 index 0000000..de45cb9 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-44.c @@ -0,0 +1,13 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=sandybridge" } */ + +extern char *dst; + +void +foo (void) +{ + __builtin_memset (dst, -1, 33); +} + +/* { dg-final { scan-assembler-times "vpcmpeqd\[ \\t\]+\[^\n\]*%xmm" 1 } } */ +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-5.c b/gcc/testsuite/gcc.target/i386/pieces-memset-5.c new file mode 100644 index 0000000..b47c666 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-5.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 33); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-6.c b/gcc/testsuite/gcc.target/i386/pieces-memset-6.c new file mode 100644 index 0000000..9535277 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-6.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=intel" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 33); +} + +/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%xmm" 2 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-7.c b/gcc/testsuite/gcc.target/i386/pieces-memset-7.c new file mode 100644 index 0000000..f0466e8 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-7.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 17); +} + +/* { dg-final { scan-assembler-times "movups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-8.c b/gcc/testsuite/gcc.target/i386/pieces-memset-8.c new file mode 100644 index 0000000..9147460 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-8.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune=generic" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 17); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */ diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-9.c b/gcc/testsuite/gcc.target/i386/pieces-memset-9.c new file mode 100644 index 0000000..cedf8a3 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-9.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target { ! ia32 } } } */ +/* { dg-options "-O2 -mavx512f -mtune=generic" } */ + +extern char *dst; + +void +foo (int x) +{ + __builtin_memset (dst, x, 17); +} + +/* { dg-final { scan-assembler-times "vmovups\[ \\t\]+\[^\n\]*%xmm" 1 } } */